Approximation and Abstract Boundaries

DOI10.2307/2320332zbMath0416.41023OpenAlexW4255983096WikidataQ56609228 ScholiaQ56609228MaRDI QIDQ3205736

Heinz Bauer

Publication date: 1978

Published in: The American Mathematical Monthly (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2307/2320332

zbMATH Keywords

polynomial approximationKorovkin's theoremapproximation by positive operators

Mathematics Subject Classification ID

Approximation by polynomials (41A10) Convex sets in topological linear spaces; Choquet theory (46A55) Approximation by positive operators (41A36)

Related Items (13)

A characterization of C(X) among algebras on planar sets by the existence of a finite universal Korovkin system ⋮ On existence of finite universal Korovkin sets in Segal algebras ⋮ On existence of finite universal Korovkin sets in the centre of group algebras ⋮ Finite universal Korovkin systems in tensor products of commutative Banach algebras ⋮ Approximate regularity of commutative Beurling algebras and Korovkin approximation ⋮ Choquet's theory and the Dirichlet problem. ⋮ Korovkin-type approximation theory in Riesz spaces ⋮ Determination of Korovkin closures ⋮ Korovkin type results for the uniform convergence at a point ⋮ A characterization of a class of locally compact abelian groups via Korovkin theory ⋮ Approximations of the Korovkin type in Banach lattices ⋮ A study of positive linear operators by the method of moments, one- dimensional case ⋮ A discrete Korovkin theorem

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